docs: def decrypt_python_item(item, crypto_config):
      # type: (dynamodb_types.ITEM, CryptoConfig) -> dynamodb_types.ITEM
      """Decrypt a dictionary for DynamoDB.
  
      >>> from dynamodb_encryption_sdk.encrypted.item import decrypt_python_item
      >>> encrypted_item = {
      ...     'some': Binary(b'ENCRYPTED_DATA'),
      ...     'more': Binary(b'ENCRYPTED_DATA')
      ... }
      >>> decrypted_item = decrypt_python_item(
      ...     item=encrypted_item,
      ...     crypto_config=my_crypto_config
      ... )
  
      .. note::
  
          This handles human-friendly dictionaries and is for use with the boto3 DynamoDB service or table resource.
  
      :param dict item: Encrypted and signed dictionary
      :param CryptoConfig crypto_config: Cryptographic configuration
      :returns: Plaintext dictionary
      :rtype: dict
      """
      ddb_item = dict_to_ddb(item)
      decrypted_ddb_item = decrypt_dynamodb_item(ddb_item, crypto_config)
      return ddb_to_dict(decrypted_ddb_item)